NVIDIA Quadro K420 vs NVIDIA RTX A1000 Mobile

VS

NVIDIA Quadro K420 NVIDIA RTX A1000 Mobile

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 4GB VRAM RTX A1000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 60W)

NVIDIA RTX A1000 Mobile 's Advantages

Released 7 years and 8 months late

Boost Clock1831MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (224GB/s vs 28.51GB/s)

1856 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

RTX A1000 Mobile +2132%

7.5 TFLOPS

Quadro K420

VS

RTX A1000 Mobile

Graphics Card

Jul 2014

Release Date

Mar 2022

Quadro

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

630 MHz

-

Boost Clock

1831 MHz

891 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

224GB/s

Render Config

-

SM Count

16

-

Compute Units

-

192

Shading Units

2048

16

TMUs

64

16

ROPs

48

-

Tensor Cores

64

-

RT Cores

16

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

2 MB

Theoretical Performance

3.504 GPixel/s

Pixel Rate

89.9 GPixel/s

14.02 GTexel/s

Texture Rate

117.2 GTexel/s

-

FP16 (half)

4.669 TFLOPS

336.4 GFLOPS

FP32 (float)

7.5 TFLOPS

14.02 GFLOPS

FP64 (double)

72.96 GFLOPS

Graphics Processor

GK107

GPU Name

GA107

GK107-301-A2

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.27 billion

Transistors

8.7 billion

118 mm²

Die Size

200 mm²

Board Design

41W

TDP

60W

200 W

Suggested PSU

-

1x DVI 1x DisplayPort 1.2

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.2

3.0

CUDA

8.6

5.1

Shader Model

6.7

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